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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� EP1S60F1508C7N
寤犲晢锛� Altera
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 533/864闋�(y猫)
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC STRATIX FPGA 60K LE 1508-FBGA
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� Three Reasons to Use FPGA's in Industrial Designs
鐢�(ch菐n)鍝佽畩鍖栭€氬憡锛� Package Height Change 03/March/2008
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 7
绯诲垪锛� Stratix®
LAB/CLB鏁�(sh霉)锛� 5712
閭忚集鍏冧欢/鍠厓鏁�(sh霉)锛� 57120
RAM 浣嶇附瑷�(j矛)锛� 5215104
杓稿叆/杓稿嚭鏁�(sh霉)锛� 1022
闆绘簮闆诲锛� 1.425 V ~ 1.575 V
瀹夎椤�(l猫i)鍨嬶細 琛ㄩ潰璨艰
宸ヤ綔婧害锛� 0°C ~ 85°C
灏佽/澶栨锛� 1508-BBGA
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 1508-FBGA锛�30x30锛�
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Altera Corporation
7鈥�1
September 2004
7. Implementing High
Performance DSP Functions
in Stratix & Stratix GX Devices
Introduction
Digital signal processing (DSP) is a rapidly advancing field. With
products increasing in complexity, designers face the challenge of
selecting a solution with both flexibility and high performance that can
meet fast time-to-market requirements. DSP processors offer flexibility,
but they lack real-time performance, while application-specific standard
products (ASSPs) and application-specific integrated circuits (ASICs)
offer performance, but they are inflexible. Only programmable logic
devices (PLDs) offer both flexibility and high performance to meet
advanced design challenges.
The mathematical theory underlying basic DSP building blocks鈥攕uch as
the finite impulse response (FIR) filter, infinite impulse response (IIR)
filter, fast fourier transform (FFT), and direct cosine transform (DCT)鈥攊s
computationally intensive. Altera Stratix and Stratix GX devices
feature dedicated DSP blocks optimized for implementing arithmetic
operations, such as multiply, multiply-add, and multiply-accumulate.
In addition to DSP blocks, Stratix and Stratix GX devices have
TriMatrix embedded memory blocks that feature various sizes that can
be used for data buffering, which is important for most DSP applications.
These dedicated hardware features make Stratix and Stratix GX devices
an ideal DSP solution.
This chapter describes the implementation of high performance DSP
functions, including filters, transforms, and arithmetic functions, using
Stratix and Stratix GX DSP blocks. The following topics are discussed:
鈻�
FIR filters
鈻�
IIR filters
鈻�
Matrix manipulation
鈻�
Discrete Cosine Transform
鈻�
Arithmetic functions
Stratix &
Stratix GX DSP
Block Overview
Stratix and Stratix GX devices feature DSP blocks that can efficiently
implement DSP functions, including multiply, multiply-add, and
multiply-accumulate. The DSP blocks also have three built-in registers
sets: the input registers, the pipeline registers at the multiplier output,
and the output registers. Figure 7鈥�1 shows the DSP block operating in the
18
18-bit mode.
S52007-1.1
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APA300-CQ352B IC FPGA PROASIC+ 300K 352-CQFP
A42MX36-CQ256 IC FPGA MX SGL CHIP 54K 256-CQFP
93C46AT-I/ST IC EEPROM 1KBIT 2MHZ 8TSSOP
EP2AGX260FF35C6 IC ARRIA II GX 260K 1152FBGA
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